package com.hfb.mashibing.alip8.designpattern._01singleton;

/**
 * 和01是一个意思
 * 缺点:浪费内存
 */
public class Mgr02 {

    private static final Mgr02 INSTANCE;
    static {
        INSTANCE = new Mgr02();
    }
    private Mgr02() {}

    public static Mgr02 getInstance() {
        return INSTANCE;
    }
    public void m (){
        System.out.println("m");
    }
    public static void main(String[] args) {
        Mgr02 m1 = Mgr02.getInstance();
        Mgr02 m2 = Mgr02.getInstance();
        System.out.println(m1 == m2);
    }
}
